diff --git a/packages/domain-events/src/Domain/Event/SubscriptionPurchasedEventPayload.ts b/packages/domain-events/src/Domain/Event/SubscriptionPurchasedEventPayload.ts
index fda212ccd..677c3f0d0 100644
--- a/packages/domain-events/src/Domain/Event/SubscriptionPurchasedEventPayload.ts
+++ b/packages/domain-events/src/Domain/Event/SubscriptionPurchasedEventPayload.ts
@@ -7,4 +7,5 @@ export interface SubscriptionPurchasedEventPayload {
   subscriptionExpiresAt: number
   timestamp: number
   offline: boolean
+  discountCode: string | null
 }